Sunan an-Nasa'i 3757
سنن النسائي#3757SahihIt was narrated from 'Amr bin Shu'aib, from his father, that his grandfather said:"When the Messenger of Allah conquered Makkah, he stood up to address (the people) and said in his Khutbah: 'It is not permissible for a woman to give (a gift) except with her husband's permission
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahHasan Sahih
Al-AlbaniHasan Sahih
Zubair Ali ZaiHasan
In-book reference: 34:39